THz systems exploiting photonics and communications technologies

JC Balzer, CJ Saraceno, M Koch… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Terahertz (THz) systems open up the possibility of new applications of electromagnetic
waves. Enormous bandwidths up to several terahertz enable the development of powerful …

Broadband, high power THz source at 540 kHz using organic crystal BNA

S Mansourzadeh, T Vogel, A Omar, M Shalaby… - APL Photonics, 2023 - pubs.aip.org
We demonstrate efficient optical rectification in the organic crystal BNA (N-benzyl-2-methyl-4-
nitroaniline), driven by a temporally compressed, commercially available industrial Yb-laser …

Average power scaling of THz spintronic emitters efficiently cooled in reflection geometry

T Vogel, A Omar, S Mansourzadeh, F Wulf… - Optics …, 2022 - opg.optica.org
Metallic spintronic terahertz (THz) emitters have become well-established for offering ultra-
broadband, gapless THz emission in a variety of excitation regimes, in combination with …

3D THz-TDS SAR imaging by an inverse synthetic cylindrical aperture

D Damyanov, T Kubiczek, K Kolpatzeck… - IEEE …, 2023 - ieeexplore.ieee.org
Terahertz time-domain spectroscopy (THz-TDS) is a promising tool for high-resolution 3D
imaging of objects due to the high center frequency and bandwidth compared to microwave …

Milliwatt average power, MHz-repetition rate, broadband THz generation in organic crystal BNA with diamond substrate

S Mansourzadeh, T Vogel, M Shalaby, F Wulf… - Optics …, 2021 - opg.optica.org
We demonstrate a 13.3 MHz repetition rate, broadband THz source with milliwatt-average
power, obtained by collinear optical rectification of a high-power Yb-doped thin-disk laser in …

400 kHz repetition rate THz-TDS with 24 mW of average power driven by a compact industrial Yb-laser

C Millon, S Houver, CJ Saraceno - Optics Express, 2023 - opg.optica.org
We demonstrate a high average power terahertz time-domain spectroscopy (THZ-TDS) set-
up based on optical rectification in the tilted-pulse front geometry in lithium niobate at room …

Microstructured large-area photoconductive terahertz emitters driven at high average power

M Khalili, T Vogel, Y Wang, S Mansourzadeh… - Optics …, 2024 - opg.optica.org
Emitters based on photoconductive materials excited by ultrafast lasers are well-established
and popular devices for THz generation. However, so far, these emitters–both …

High sensitivity thz photomultiplier tubes

TO Buchmann, SL Lange, M Sebek… - … Waves (IRMMW-THz …, 2022 - ieeexplore.ieee.org
We demonstrate the detection of THz-to-IR frequencies using lightwave-driven cold field
electron emission form a metasurface. Combined with classical photo-multiplier tube …

Fivefold Peak Power Boost in HBT-driven GaAs Collapsing-Field-Domain-Based Sub-THz Source

M Masyukov, S Vainshtein, R Grigorev… - IEEE Electron Device …, 2023 - ieeexplore.ieee.org
Miniature on-chip sources based on the collapsing field domain phenomenon in GaAs have
advanced compact sub-picosecond time-domain imaging schemes operating in the 100 …

Synthetic aperture imaging with pulsed terahertz waves and its application in three-dimensional modeling of complex structures

Y Du, H Feng, S Wu - Applied Physics B, 2024 - Springer
In this study, we report a three-dimensional synthetic aperture imaging system realized by a
terahertz time-domain spectrometer. The temporal waveforms of the terahertz pulses …